Zoo poo used to grow fruit & veg

Twycross Zoo has about 1,000 animals, which produce about 800 tonnes of poo every year - that's about the same weight as 160 elephants!

But now, instead of sending the muck to landfill, they've got a machine which can turn the poo into compost.

The compost's used on crops to feed the animals, then the cycle starts again!

Link: http://news.bbc.co.uk/cbbcnews/hi/newsid_7770000/newsid_7774800/7774807.stm